const express = require('express')
const expressWs = require('express-ws')
useRouter = require('./router/index')
useWebSocket = require('./router/websocket')


const app = express()
expressWs(app)


useWebSocket(app)
useRouter(app)
app.use('/images',express.static("./images"))


app.all("*", function (req, res, next) {
    //设置允许跨域的域名，*代表允许任意域名跨域
    res.header("Access-Control-Allow-Origin", "http://localhost:8080");
    //允许的header类型
    res.header("Access-Control-Allow-Headers", "content-type");
    //跨域允许的请求方式
    res.header("Access-Control-Allow-Methods", "DELETE,PUT,POST,GET,OPTIONS");
    if (req.method.toLowerCase() == 'options')
        res.send(200);  //让options尝试请求快速结束
    else
        next();
});

const port = 8081
app.listen(port, () => {
    console.log(`Example app listening at http://localhost:${port}`)
})